64558921

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 77401440

約数和(自身を除く): 12842519

約数列:

[1, 7, 49, 59, 137, 163, 413, 959, 1141, 2891, 6713, 7987, 8083, 9617, 22331, 56581, 67319, 156317, 396067, 471233, 1094219, 1317529, 9222703, 64558921]

約数ペア:

[(1, 64558921), (7, 9222703), (49, 1317529), (59, 1094219), (137, 471233), (163, 396067), (413, 156317), (959, 67319), (1141, 56581), (2891, 22331), (6713, 9617), (7987, 8083)]